Keen Scent (Ex): A shark can notice creatures by scent in a 180-foot radius and detect blood in the water at ranges of up to a mile.

Sharks circle and observe potential prey then dart in and bite with their powerful jaws.

Aquatic Subtype

Creatures with the aquatic subtype always have swim speeds and thus can move in water without making Swim checks. An aquatic creature can breathe underwater. It cannot also breathe air unless it has the amphibious special quality.

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